package com.diaosidadui;

import java.util.Scanner;

public class TestArray {

    public static void main(String[] args) {
        int[] arr = {11, 22, 33, 44, 55, 55, 55, 66, 77, 00};
        Scanner sc = new Scanner(System.in);
        int num = sc.nextInt();
        int index =-1;
        for (int i = 0; i < arr.length; i++) {
            if (num == arr[i]) {
                index = i;
                System.out.println(i);
            }
        }
        if (index == -1){
            System.out.println("您查询的数据不存在");
        }

    }

}
